X0306 4 2019-02-13 false 0001597553 Sage Therapeutics, Inc. SAGE 0001320559 Cook Anne Marie C/O SAGE THERAPEUTICS, INC. 215 FIRST STREET CAMBRIDGE MA 02142 false true false false SVP, GC & Secretary Stock Option (Right to Buy) 157.63 2019-02-13 4 A false 19000.00 0.00 A 2029-02-13 Common Stock 19000.00 19000.00 D The securities awarded on February 13, 2019 were in the form of stock options issued pursuant to the Sage Therapeutics, Inc. 2014 Stock Option and Incentive Plan. Options to purchase 4,750 shares of common stock shall vest on the one year anniversary of February 13, 2019, with 14,250 shares vesting in 36 equal monthly installments thereafter. /s/ Jennifer Fitzpatrick, as Attorney-in-Fact for Anne Marie Cook 2019-02-15